The twin NO3 meter is designed for general purpose nitrate measurements, agricultural applications to measure nitrate in plant leaves, and nitrate in soil samples. Flat sensor technology enables measurements with only a few drops of sample. Measurements are simple, quick, and accurate.
- Waterproof construction.
- Automatic calibration (selection of 1 point or 2 point calibration)
- Wide measuring range.
- As little as 0.3 ml (6 drops) of sample required.
- Selectable analysis of nitrate or nitrate as nitrogen.
- Selectable units of measure (ppm, mg/L, kg/10a)
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Model
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B-343
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Measurement principle
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Ion electrode method
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Sample volume required
for measurement
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0.3 mL to 2.0 mL
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Measurement
range
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NO3-
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62 to 6200(ppm or mg/L)
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NO3--N
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14 to 1400(ppm or mg/L-N)
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Calibration method
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One calibration to 2000 ppm
(two calibrations to 150 pm and 2000 ppm
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Reproducibility
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±10% *1
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Display
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4-digit digital LCD display
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Waterproofing standard
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CR2032 coin batteries(x2)
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Auto power off
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30 minutes
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Outer dimentions
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165 mm x 29 mm x 19 mm (excluding projections)
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Mass
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approx. 52 g (meter only)
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Operating
temperature/humidity
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5°C to 40°C, 85% relative humidity max.
(no condensation)
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Operation switches
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3 switches (power, calibration, measurement)
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Accessories
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Dedicated standard solutions (150 ppm, 2000 ppm)
Instruction manual
Fuid dropper
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*1 Using HORIBA's prescribed method
*2 No failure when submerged in water at a depth of 1 meter for 30 minutes. The meter cannot be used totally submerged underwater.
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Nitrate Ion Tester 
